Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 25, 2017, 07:33 AM
  • 21 0454_21 0453 _20170425_015036.mp4

Date
04/25/2017
W/O
630321
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00777
PipeID
P15663
Time
12:33 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4513
Sewer Name
21 MOUNT SAN ANTONIO TRUNK
City
WALNUT
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
28
Purpose
Routine Assessment
Project
WO_630321_TV21046_APR2017
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
21 0454
Downstream MH
21 0453
Dir. of Survey
Downstream
Length Surveyed
49.8 ft.
Total Length
49.8 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
5
Pipe schematic from manhole 21 0454 to 21 0453
MH: 21 0454MH: 21 0453downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 04540 ft. MWL - Water Level, 10 %of cross sectional area4.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start13.4 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start28.9 ft. MMC - Material Change, Cast Iron37.5 ft. MMC - Material Change, Vitrified clay pipe49.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish49.8 ft. AMH - Downstream Manhole, Survey Ends - 21 045349.8 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish

Observation photos (2)

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    4.9 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

  • Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    13.4 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

Observations (10)

DistanceCodeObservation
4.9DAGS
28.9MMC
49.8DAGS
0MWM
37.5MMC
0AMH21 0454
49.8AMH21 0453
49.8CM
13.4CM
0MWL

Properties (4)

additional_info
SC340727
custom_field_two
3
customer
LACSD
datetime
2017-04-25T00:33:33-07:00